Error on empty option when selectize is used instead of select tag

[georg-malahov]

Error: Undefined filter "" at Function.jQuery.extend.error (vendor.js:348) at Object.Utils.error (vendor.js:153406) at QueryBuilder.getFilterById (vendor.js:152553) at HTMLSelectElement.<anonymous> (vendor.js:151570) at HTMLDivElement.jQuery.event.dispatch (vendor.js:4533) at HTMLDivElement.elemData.handle (vendor.js:4219) at Object.jQuery.event.trigger (vendor.js:4448) at HTMLSelectElement.<anonymous> (vendor.js:4999) at Function.jQuery.extend.each (vendor.js:472) at jQuery.fn.jQuery.each (vendor.js:237)(anonymous function) @ vendor.js:21786(anonymous function) @ vendor.js:18555(anonymous function) @ vendor.js:27167completeOutstandingRequest @ vendor.js:14816(anonymous function) @ vendor.js:15093